<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="" method="post">
    <label>问题： Python 与 Java 哪一个是脚本语言？</label><br>
    <input class="radio2" type="radio" name="selection" value="A"/>A.Python<br>
    <input class="radio2" type="radio" name="selection" value="B"/>B.Java<br>
{#    <p><input type="text" name="username" placeholder="请输入用户名"></p>#}
{#    <p><input type="text" name="password" placeholder="请输入密码"></p>#}
    <p><input type="submit" value="提交">{{ error_msg }}</p>
</form>
</body>
</html>